Electric-wire splicer.



' PATENTED JUNE so, 1908 c. J. DORPF.

ELECTRIC WIRE SPLIGER.

IGATION FILED JUNE 27,1907,

7 /g (ga UNITED-STATES. PATENT OFFICE.

CONRAD J. DORFF, OF CHICAGO, ILLINOIS.

ELECTRIC-WIRE sPLIcER.

No. 891,825. Specification'of Letters Iatent. Patented June 30, 1908..

Application filed June 27, 1907. Serial No. 381,016.

(ill whom it may concern:

- the figure eight to form two adjoining circu- Be it known that I, CONRAD J. DORFF, a lar channels 2 and 3,.in parallel relation and citizen of the United States of America, and adapted to receive the respective ends of the a resident of Chicago, in the county of Cook wire that are to be spliced. With the deand State of Illinois, have invented certain scribed construction the acute edges 4 and 5- new and useful Improvements in Electricof the strip or blank have extended abut- VVire Splicers, ofwhich the following is a ment against opposite sides of the central specification. part of thesame, and provide a true circular This invention relates to splicers for eleccross-section to the channels 2 and 3, aforetrie wires, and more especially to the type of said, as illustrated in Figs. 3 and 4.

spliccrs which constitute the subject matter With the present construction, as the of my prior patent No. 839,563, dated the splicer is submitted to the usual twisting op- 25th day of December 1906. And the pres eration, the true circular form of the chancnt improvement has for its object to pronels 2 and 3 is preserved, with a consequent vide a simple and eilicient structural formaintimate and forcible contact between the intion of the splicer, which during the twisting te'rior of the channels and the wire ends withoperation of making a joint, maintains a true in the same, and with the aforesaid forcible circular fcitm of the wire receiving bores of contact of the surfaces tending to effect a the spliccrs and insures forcible and perfect cold welding of such surfaces and a )ermagripping of the interior of such bores upon nent electrical conductivity of the splice, the the entire )eripheries of the wire ends emoperation just described being graphically braced within the same, and a consequent illustrated in Figs. 4 and 5 of the drawing. cold. welding of the surface in contact to af- Having thus fully described my said inford perfect and continued electrical .con- 'vention what I claim asnew and des re to seductivity, all as will hereinafter more fully cure by Letters Patent is:' appear. 1. A wire connector formed of a strip of in the accompanying drawings:-Figure 1, sheet metal two of whose op )osite edges or is an elevation of the present splicer in an unsidcs are beveled and reversel y bent to form twisted condition ready to receive the wire parallel tubes adapted to receive the ends of ends. Fig. 2, is a similar view of the splicer the broken wire. in its twisted condition. Fig. 3, is an en- 2 A s liccr for electric wires formed of a largcd end wire view of the splicer. Figs. 4 flat blan rhomboidal in cross scctiofijvnd 7 and 5 are enlarged transverse sections of the bent lengthwise into a figure eight form, splicer before and after the twisting operawith the acute ends of the blank bearing tion. upon the middle portion of the blank-at op- Similar numerals of reference indicate like posite sides thereof, for the purpose set forth, parts in thedill'crent views. I Signed at Chicago, Illino1s, this 25 day of Referring to the drawings, 1 represents June 1907. the body of the splicer, formed of a strip of 4 ductile metal and having a rhomboidal form ONRAD DDR1 B in cross section. In the present construc- Vitnesses:

tion said strip or blank 18 bent along its ROBERT BURNS,

length in opposite directions in the form of HENRY MOE. 

